Lua APA (7ú heag.)

(1999). Annual report: UP Engineering Research and Development Foundation, Inc. UP Engineering Research and Development Foundation, Inc.

Lua i Stíl Chicago (17ú heag.)

Annual Report: UP Engineering Research and Development Foundation, Inc. Quezon City: UP Engineering Research and Development Foundation, Inc, 1999.

Lua MLA (9ú heag.)

Annual Report: UP Engineering Research and Development Foundation, Inc. UP Engineering Research and Development Foundation, Inc, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.